How do i know if my newborn has colic or sensitive to certain formula ?

My nb is 2 weeks and 3 days old and these past 3 days she’s been real fuzzy after drinking milk she’ll spit the Milk half way thru and start crying excessively I try to burp her usually she’ll burp then she’ll stop but most of the time she won’t burp until a while later and starts screaming Is frustrating. (She’s on total comfort formula)